Finding the Fourth Proportional to 93,102.16, 128,610.57 and 89,645.63
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Solution
The fourth proportional to 93,102.16, 128,610.57 and 89,645.63 is: 123,835.75
Step by Step Solution
- Step 1: Write the proportion equation
93,102.16 : 128,610.57 = 89,645.63 : x - Step 2: Convert to fraction form
93,102.16/128,610.57 = 89,645.63/x - Step 3: Cross multiply
93,102.16x = 128,610.57 × 89,645.63 - Step 4: Simplify right side
93,102.16x = 11,529,375,124.08 - Step 5: Solve for x
x = 11,529,375,124.08/93,102.16 - Step 6: Final answer
x = 123,835.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.